2 years ago

Consider the right angle shown below

Mathematics

1 answer:

atroni [7]2 years ago

8 0

Answer:

Part A:

given that cos β = 3/5

that means the base line is 3 and the hypotenuse is 5

Note that, The base line 3 is adjacent to β and opposite to α.

Sin α = opposite / adjacent

sin α = 3 /5

Part B:

α and β are complementary angles

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